ALPINE PXE-X121-12EV 12 Channel High Resolution Audio Processor Amplifier User Manual

PXE-X121-12EV
12-Channel High-Resolution Audio
Processor Amplifier

https://alpinemusic.cn/appdownload.html

• For iPhone users, please search “Alpine Music” in APP Store to download and install the tuning software; for Android users, please scan the QR code on the right to download and install the software directly.

Operation Instructions

Types of Precautions

Prohibited| Indicates that disassembly is prohibited.

Mandatory| Indicates a mandatory operation (must be performed).
****| Indicates that it should draw your close attention.

Warning

**| In case of problems, please stop using the device immediately.
Continued use may result in personal injury or damage to the product. Please return the product to the authorised Alpine dealer or nearby Alpine service center for repair.
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**| The product is only suitable for 12V negative-grounded vehicles.
Use within other types of vehicles may create a fire or electrical hazard.
**| Please contact a professional for wiring and installation.
This product requires professional expertise to wire and install. Please contact the dealer from whom you bought the product to install it safely.
**| Please do not disassemble or refit.
Doing so may result in product damage, fire or electrical hazard.
**| Small items like bolts or screws mustbe kept out of the reach of children.
If ingested, please seek Immediate medical attention to avoid serious injury.
**| Please do NOT use functions that may distract you while driving.
Any device function that may influence your attention must be used only when the vehicle is stopped completely. To use these functions, make sure to stop your vehicle in a safe area first. Otherwise, it may result in an accident.
**| While driving, you must maintain the volume at a level that allows outside noise to remain audible.**
It is very dangerous not to hear an emergency vehicle alarm or road warning signal (such as a railway crossing) and may result in an accident. Moreover, excessively loud volume may create permanent hearing damage or hearing loss.

Caution

**| Product maintainance
Please regularly clean the item with a soft, dry cloth. For tough stains, use only water to dampen the cloth as other solvents may result in dissolution.
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**| Temperature
Before starting the device, please ensure that the temperature inside the vehicle is between +60°C and -20°C.
**| Repair
In the case of a problem, please do not attempt to repair the product yourself. Please return the product to the authorised Alpine dealer or Alpine service center.
**| System matching
When PXE-X121-12EV is used with active division mode to assign signals for speakers, please ensure that the crossover frequency is above 1500
Hz to avoid damage to tweeters.
**| Installation environment**
The device cannot be installed at the following locations:
• Under direct sunlight or near a source of heat.
• With high humidity or near a source of water.
• Dusty environments.
• Environments with violent vibration.

Copyright Notice

The text mark and logo of Bluetooth® are the registered trademarks held by Bluetooth SIG, Inc. Alpine Electronics has been authorised to use these text marks and logos. Other trademarks and names all belong to their holders.
Products bearing the High-Resolution mark meet the standards defined by the Japan Audio Association. Alpine Electronics has obtained authorisation to use the High-Resolution logo from the Japan Audio Association.

• Electronic products should be discarded via an appropriate recycling channel to reduce electronic waste pollution.

Required Tools

Accessories

Diagram of Device Interfaces

Device Interfaces Functions

1| RCA audio output interface| 1 set of RCA audio signal output. can be connected to an external power amplifier.
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2| RCA audio input interface| 1 set of RCA audio signal input, which can be connected to the RCA audio signal output of a car audio player.
3| optical fibre/coaxial input interface| Connect the optical cable or coaxial cable of the car audio player. switch the sound source to the digital signal input, and play optical or coaxial digital signals.
4| Ambient light interface| Connect the ambient light interface to control the ambient light options.
5| External Bluetooth input interface| Allows user to install an external Bluetooth adapter to enable HD Bluetooth pairing with PXE-X121-12EV. After the connection is established, Bluetooth is always on.
6| Dual-amp interface| For DSP system expansion, this product supports the linking of two PXE-X121-12EV DSP amplifiers, expanding to a 24-channel system NI.: a linking cable.
7| Wired controller interface| For implementation of a wired controller device.
8| USB/USB audio interface| Connect a computer via USB 2.0 for detailed tuning and operation settings, or use to connect a device for USB Audio playback.
9| Protection indicator light| Protection indicator light.
10| Power indicator light| Power indicator light.
11| Input selection switch| When the switch is turned to ‘ACC the amplifier is started by ACC, when the switch is turned to ‘HOS”1″ the amplifier is started by a high level input signal (H1-/H 1+).
12| Fuse socket| Holds two 30A fuses.
13| Power interface| Connect the car battery.
14| High level output| Connect to speakers.
15| High level input| Connect output of your car audio player.
16| External power amplifier| Connect an external power amplifier.
17| Car audio player| Connect your car audio player.

Arrangement of Wire Pins

Mobile App Introduction

1| Master volume| Rotate the volume fader to adjust system master volume, you can also press “+”or “-“.
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2| Mute| Mute master volume.
3| Connection indicator| If the Bluetooth icon is red, this indicates a Bluetooth connection is not established. If the icon is green, your device is connected.
4| Menu bar| Provides access to “Encryption”, “High Pass Filter”,”Built-in Amp”,”Share, Save”, “Files”, “Online sound”,”Shutdown delay”, “Reset device parameters”,”Sensitivity”, “EQ Gain step”, “Channel gain step”, “Temperature”, “Equipment voltage”, and “About”.
5| Interface selection| Five interface options including “Home”, “EQ”, “Channel”, ‘TCR”, and “Mix”.

Mobile App Introduction – Home Page

Level, AUX, or USB).
3| Main source attenuation| Adjust main source attenuation , the higher the attenuation the lower the main volume. Attenuation range is 0-100%.
4| Mix source| Select mix audio source (Optical, Coaxial, Bluetooth, High Level, AUX, or USB).
5| Preset sound effects| Store and recall six preset sound effects.
6| Alpine exclusive effects| Choose from different Alpine exclusive sound effect presets (“Simulated panoramic sound”, “MVES sound”, and “Smart midrange”).

Note: Bluetooth audio sources and USB audio sources are mutually exclusive, and digital signals (Optical and Coaxial) are mutually exclusive and cannot be superimposed.

Mobile App Introduction – Home Page (MultiZone)

Click the “Multi-Zone Toggle” on the “Home” page interface to open the sound zone setting operation. The front and rear sound sources of Zone One and Zone Two can be matched. For instance, set zone one sound field from CH1-CH6 and select “Hi.Level” as the main source. In zone two, set the rear sound field from CH7-CH12 and select “Optical” as the main source. This means that CH1-CH6 will play high level audio and CH7-CH12 will play through optical input.

1| Sound zone one| Select channels to be adjusted as “Zone One”, also choose main source, mix source, volume and attenuation for “Zone One”.
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2| Sound zone two| Select channels to be adjusted as “Zone Two”, also choose main source and volume for “Zone Two”.

Note:

1. In “Zone One” the main source and mix source are mutually exclusive if they are the same. The mix source cannot be superimposed with the current input main source volume, otherwise the mix source sound source will be invalid (Optical and Coaxial are mutually exclusive for Digital, Bluetooth, and USB sound sources).
2. “Zone One” and “Zone Two” channels are mutually exclusive, meaning if “Zone One” channels are set CH1-CH6 the “Zone Two” CH1-CH6 are invalid.

Mobile App Introduction – EQ

(Switching modes will cause all settings to reset).
3| EQ curve| Displays the current EQ curve status. set frequency. Q value and gain.
4| gain| Push the slider up and down to adjust gain of i11dividual bands (-12dB -+ 12dB).
5| Allpass, Frequency, Q Value, Gain| Frequency, Q Value, and Gain adjustment of the output channel. In the “Allpass” mode, the frequency and Q Value are adjustable. (In “Graphic EQ” mode, Frequency and Q Value are fixed).
6| Reset EQ| Reset EQ settings to default.
7| Restore EQ| Restore previous EQ settings.

Mobile App Introduction – Channel

1| Parallel connection| 40hm: Supports CHl -CH l2 to connect to 40hm impedance speakers. 20hm: Supports CHl l-CH12 to connect to 20hm impedance speakers.
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2| Silent control| Mute or unmute all channels.
3| Channel colume| Slide fader to adjust channel volume (-60dB -+6dB), click the speaker button to mute.
4| Channel phase| Select channel phase.
5| Bass phase| Adjust channel bass phase (0-360°).
6| Channel type| Select output channel type from drop-down menu.
7| Sync| Choose sync setting (from l-6).
8| Reset type| Reset current channel type to factory state.
9| Filter type| Select filter type (Link-RH, Butter-W, or Bessel).
10| Crossover| Turn high/low pass filter on or off.
11| Divider slope| Select the crossover slope (-6dB/Oct, -l2dB/Oct, -l8dB/Oct, -24dB/Oct, -30dB/Oct,
-36dB/Oct, -42dB/Oct, or -48dB/Oct).
12| Divider freqency| Select crossover frequency (20Hz-40kHz).

Mobile App Introduction – TCR

or right in the pop-up window to adjust the delay, or click “+” and “-“.
3| Delay units| Chose delay units from milliseconds, centimeters, and inches. Adjustment range is 0.000-20,000 milliseconds, 0-692cm, or 0-273 inches.
4| Delay group| Each channel has six delay groups to chose from, channel mute and phase adjustment can also be set.

Mobile App Introduction – Mix

1| Active/ Passive input| Select “Passive” or  Active” input. (Default is “Passive”). However, if changed your mixer settings will be lost for that channel.
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2| Input channel| Push the fader left/ right or +”/”-” to adjust the audio volume of each individual channel.

Note: It is strongly recommended that the volume level across all channels equals 100 to prevent clipping.

Mobile App Introduction – Home Page (MultiZone) (Dual Amp)

1| Cascade| Use the provided linking cable to connect the two PXE-X121-12EV devices. The DSP at the front end of the connection acts as the host, the software will automatically identify this and display the blue “cascade” icon.
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2| Output channel| Swipe left and right to select output channels that you would like to adjust. “Zone 1” and “Zone 2” should now each display CH1-CH24.

Note:

1. After linking, the two machines share Optical, Coaxial, Bluetooth, High-Level, AUX and USB audio sources.
   Settings applied will by synchronized, so there is no need to add an external audio source as the high level should be expanded to 24 channels.

2. If the two devices become disconnected, the software will automatically restore default settings.

Mobile App Introduction – EQ (Dual Amp)

(Switching modes will cause all settings to reset).
3| EQ curve| Displays the current EQ curve status, set frequency, Q value and gain.
4| Gain| Push the slider up and down to adjust gain of individual bands (-12dB ~ +12dB).
5| Allpass, Frequency, Q Value, Gain| Frequency ,Q Value, and Gain adjustment of the output channel. In the “All pass” mode, the frequency and Q Value are adjustable.(In “Graphic EQ” mode, Frequency and Q Value are ftxed).
6| Reset EQ| Reset EQ settings to default.
7| Restore EQ| Restore previous EQ settings.

Mobile App Introduction – Channel (Dual Amp)

1| Parallel con nection| 40:Supports CH l-CH24 to connect to 40 impedance speakers.
20:Supports CH 11-CH l2/CH23-CH24 to connect to 20 impedance speakers.
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2| Silent control| M ute or unmute all channels.
3| Channel volume| Slide fader to adjust channel volume (-60dB -+6dB), click the speaker button to mute.
4| Channel phase| Select chan nel phase.
5| Bass phase| Adjust channel bass phase (0-3600).
6| Channel type| Select output channel type from drop-down men u.
7| Sync| Choose sync setting (from 1-6).
8| Reset type| Reset current chan nel type to factory state.
9| Filter type| Select filter type (Link-Ril, Butter-W, or Bessel).
10| Crossover| Turn high/low pass filter on or off.
11| Divider slope| Select the crossover slope (-6dB/Oct, – l2dB/Oct,-18dB/Oct, -24dB/Oct, -30dB/Oct, -36dB/Oct,-42dB/Oct,or  -48dB/Oct).
12| Divider frequency| Select crossover frequency (20Hz-40kHz).

Mobile App Introduction – TCR (Dual Amp)

or right in the pop-up window to adjust the delay, or click “+” and “-“.
3| Delay units| Chose delay units from milliseconds, centimeters, and inches. Adjustment range is 0.000-20,000 milliseconds, 0-692cm, or 0-273 inches.
4| Delay group| Each channel has six delay groups to chose from, channel mute and phase adjustment can also be set.

Mobile App Introduction – Mix (Dual Amp)

1| Active/ Passive| Select “Passive” or “Active” input. (Default is “Passive”). However, if changed your mixer settings will be lost for that channel.
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2| input| Push the fader left/ right or “+”/”-” to adjust the audio volume of each individual channel.

Note: It is strongly recommended that the volume level across all channels equal 100 to prevent clipping.

PC Software Introduction – Home Page

delay, switch between English and Chinese, check the version numnber.
4| Encryption| Enter a 6-digit encryption password to encrypt the tuned sound effect data.
5| Mute button| Mute the master volute.
6| Master volume| Push the fader left and right to adjust the master volume in the range of 0-35.
7| Voltage display| Check the system operating voltage.
8| Clipping distortion indicator| When the clipping distortion indicator turns yellow, it is a warning for the user to adjust their sound tuning settings to make a more balanced signal that is distortion free.
9| Main source attenuation| The greater the attenuation of the main sound source, the quieter the main volume. The adjustment range is 0-100%.
10| Alpine exclusive sound effects| Select from Alpine’s exclusive sound effects (simulated panoramic sound, MVES sound, smart midrange).
11| Preset sound effects| Supports saving or recalling of multiple sets of effects and online sound effects.
12| Mix source selection| Set the mix audio source (Optical, Coaxial, Bluetooth, High Level, Low Level, USB, off).
13| Main source selection| Select main audio source (Optical, Coaxial, Bluetooth, High Level, Low Level, USB).
14| Connection indicator| Indicates connection to PXE-Xl21-12EV , connect the computer via USB cable, then open the software to connect, click again to close the connection.

PC Software Introduction – EQ

1| EQ gain step size| Step size can be chosen from the range: 0.1dB ~ 0.5dB ~ 1.0dB.
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2| Output channel display| Display the output channel curve.
3| EQ curve| Display the current EQ curve status, set the frequency, Q value and gain.
4| All pass, Frequency, Q Value, Gain| Frequency, Q Value, and Gain adjustment of the output channel. In the “All pass” mode, the frequency and Q Value are adjustable, whereas in “Graphic EQ” mode Frequency and Q Value are fixed.
5| Parametric EQ, Graphic EQ| Switch between Parametric and Graphic EQ (Switching modes will cause all settings to reset).
6| Low- pass filter| Turn the Low-Pass filter on/off to reduce high frequencies. Select filter type (Link-Ril, Butter-W or Bessel).
Select the crossover frequency (between 20Hz and 40kHz).
Select the crossover slope (-6dB/Oct, -12dB/Oct, -18dB/Oct, -24dB/Oct, -30dB/Oct, -36dB/Oct, -42dB/Oct, or -48dB/Oct).
7| High-pass filter| Turn the High-Pass filter on/off to reduce low frequencies. Select filter type (Link-Ril, Butter-W or Bessel).
Select the crossover frequency (between 20Hz and 40kHz).
Select the crossover slope (-6dB/Oct, -12dB/Oct, -18dB/Oct, -24dB/Oct, -30dB/Oct, -36dB/Oct, -42dB/Oct, or -48dB/Oct).
8| Channel phase| Select channel phase (normal or negative)
9| Bass phase| Output channel bass phase adjustment (0-360°)
10| Channel gain| Slide the fader or click “+” and “-” to adjust channel volume (-60dB ~ +6dB).
11| Reset channel type| Reset current channel type to factory state.
12| Mute| Mute or unmute all channels with one click.
13| Parallel connection| 4Ω   : Supports CH1-CH12 to connect to 4Ω   impedance speakers.
2Ω   : Supports CH11-CH12 to connect to 2Ω   impedance speakers in parallel mode.
14| Reset EQ| Reset EQ settings.
15| Restore EQ| Restore previous EQ data.
16| Sync| Choose sync setting (from 1-6).
17| Output channel| There are 12 output channels available, configure the output type and click the speaker button to mute.

PC Software Introduction – TCR

1| Delay| Select a speaker and slide the fader or enter a numerical value to adjust delay.
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2| Delay unit| Chose delay units from milliseconds, centimeters, and inches. Adjustment range is 0.000~20,000 milliseconds, 0~692cm, or 0~273 inches.
3| Speaker / phase| Select the speaker of the corresponding channel, click the speaker button to mute, click again to unmute and also adjust phase.
4| Delay group| Pick a delay group for a channel (-6).

PC Software Introduction – Mix

1| Active/ Passive input| Select “Passive” or “Active” input. (Default is “Passive”). However, if changed your mixer settings will be lost for that channel.
---|---|---
2| Delay unit| Push the fader left/ right or “+”/”-” to adjust the audio volume of each individual channel.

Note: It is strongly recommended that the volume level across all channels equal 100 to prevent clipping.

PC Software Introduction – Home Page (Multi-Zone)

The sound switch setting is turned on, and the sound zone interface is as shown in the picture above.

1| Multi-Zone switch| Turn on the sound zone switch setting to set the sound zone.
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2| Home page| The sound sources in the front and rear sound fields of zone one and zone two on the home page interface can be flexibly matched independently. For example, in zone one, set the front sound field CH1-CH6 and select “High level” for the main source. In zone two, set the rear sound field CH7-CH12, and select “Optical” as the main source.
3| Sound zone one| Select channels to be adjusted as “Zone One”, also choose main source, mix source, volume and attenuation for “Zone One”.
4| Sound zone two| Select channels to be adjusted as “Zone Two”, also choose main source and volume for “Zone Two”.

Note:

1. In “Zone One” the main source and mix source are mutually exclusive if they are the same. The mix source cannot be superimposed with the current input main source volume, otherwise the mix source sound source will be invalid (Optical and Coaxial are mutually exclusive for Digital, Bluetooth, and USB sound sources).
2. “Zone One” and “Zone Two” channels are mutually exclusive, meaning if “Zone One” channels are set CH1-CH6 the “Zone Two” CH1-CH6 are invalid.

PC Software Introduction – Home Page (Multi-Zone) (Dual Amp)

delay, switch between English and Chinese, check the version numnber.
4| Encryption| Enter a 6-digit encryption password to encrypt the tuned sound effect data.
5| Mute button| Mute the master volume.
6| Master volume| Push the fader left and right to adjust the master volume in the range of 0-35.
7| Cascade| Use the provided linking cable to connect the two PXE-Xl 2 l-l2EV devices. The DSP at the main end of the connection acts as the host, the software will automatically identify this and display the blue “cascade” icon.
8| Voltage display| Check the system operating voltage.
9| Clipping distortion indicator| When the clipping distortion indicator turns yellow, it is a warning for the user to adjust their sound tuning settings to make a more balanced signal that is distortion free.
10| Main source attenuation| The greater the attenuation of the main sound source, the quieter the main volume (0- 100%).
11| Alpine exclusive sound effects| Select from Alpine’s exclusive sound effects (simulated panoramic sound, MVES sound, smart midrange).
12| Preset sound effects| Supports saving or recalling of multiple sets of effects and online sound effects.
13| Mix source selection| Set the mix audio source (Optical, Coaxial, Bluetooth, High Level, Low Level, USB, off).
14| Main source selection| Select ma in audio source (Optical, Coaxial, Bluetooth, High Level, Low Level, USB).
15| Connection indicator| Indicates connection to PXE-Xl21-12EV, connect the computer via USB cable, then open the software to connect, click again to close the connection.

PC Software Introduction – EQ (Dual Amp)

1| EQ gain step size| Step size can be chosen from the range: 0.1dB ~ 0.5dB ~ 1.0dB.
---|---|---
2| Output channel display| Display the output channel curve.
3| EQ curve| Display the current EQ curve status, set the frequency, Q value and gain.
4| Allpass, Frequency, Q Value, Gain| Frequency, Q Value, and Gain adjustment of the output channel. In the “Allpass” 1node1the frequency and Q Value are adjustable, \\1hereas in “Graphic EQ” n1ode Frequency and Q Value are fixed.
5| Parametric EQ, Graphic EQ| Switch between Parametric and Graphic EQ (Switching modes will cause all settings to reset).
6| Low-pass filter| Turn the Low-Pass filter on/off to reduce high frequencies. Select filter type ( Link-Ril, Butter-W or Bessel).
Select the crossover frequency (between 20Hz and 40kHz).
Select the crossover slope (-6dB/Oct, -12dB/Oct, -18dB/ Oct, -24dB/ Oct, -30dB/ Oct, -36dB/ Oct,-42dB/ Oct, or -48dB/Oct).
7| High-pass filter| Turn the High-Pass filter on/off to reduce low frequencies. Select filter type ( Link-RH, Butter-W or Bessel).
Select the crossover frequency (between 20Hz and 40kHz).
Select the crossover slope (-6dB/Oct, -J 2dB/Oct, – 18dB/ Oct, -24dB/ Oct, -30dB/ Oct, -36dB/ Oct, -42dB/ Oct, or -48dB/Oct).
8| Channel Phase| Select channel phase (normal or negative)
9| Bass phase| Output channel bass phase adjustment (0-3600)
10| Channel gain| Slide the fader or click “+” and “-” to adjust channel volume (-60dB ~ +6dB).
11| Reset channel type| Reset current channel type to factory state.
12| Mute| Mute or unmute all channels with one click.
13| Parallel connection| 4Ω   : Supports CH1-CH12 to connect to 4Ω   impedance speakers.
2Ω   : Supports CH11-CH12 to connect to 2Ω   impedance speakers in parallel mode.
14| Reset EQ| Reset EQ settings.
15| Restore EQ| Restore previous EQ data.
16| Sync| Choose sync setting (from 1-6).
17| Output channel| There are 12 output channels available, configure the output type and click the speaker button to mute.

PC Software Introduction – TCR (Dual Amp)

1| Delay| Select a speaker and slide the fader or enter a numerical value to adjust delay.
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2| Delay unit| Chose delay units from milliseconds, centimeters, and inches. Adjustment range is 0.000~20,000 milliseconds, 0~692cm, or 0~273 inches.
3| Speaker / Phase| Select the speaker of the corresponding channel, click the speaker button to mute, click again to unmute and also adjust phase.
4| Delay group| Pick a delay group for a channel (1-6).

PC Software Introduction – Mix (Dual Amp)

1| Active/ Passive input| Select “Passive” or “Active” input. (Default is “Passive”). However, if changed your mixer settings will be lost for that channel.
---|---|---
2| Input channel| Push the fader left/right or use “+”/”-” to adjust the audio volume of each individual channel.

Note: It is strongly recommended that the volume level across all channels equal 100 to prevent clipping.

Specifications

135uVrms: RCA: 5.8uVrms
Channel separation| >80dB
Total harmonic distortion| ().0196
Input voltage| High level: 30Vpp: RCA: 6.5Vpp
Output voltage| High level: CH1—CH6: 40Vpp, CH7—CHIO: 28Vpp, CH 11—CH12: S8Vpp: RCA: 6.5Vpp
Rated Power| CH1—CH6: 50W, CH7—CHIO: 25W,
CH 11—CH12: 100W (411„ 14.4V, 1kHz, 10%THD)
Connection CH11—CH12: 1CHx200W(2Q, 14.4V, 1kHz, 10%THD)
Maximum power| CHI—CH6: 100W, CH7—CH10: 50W,
CH 11—CH12: 200W (452, 14.4V, 1kHz, 10%THD)
Connection CH11—CH12: 1CHx400W (IQ, 14.4V, 1kHz, 10%THD)
Input/Output sensitivity (RCA)| 1:1 (without power amplification)
Frequency response| 20Hz-40kHz
System sampling rate| 48kHz/24bit
input resistance| High level: 180: RCA: 15kfl
Output resistance| 5111
Operating voltage| 9-17V
Quiescent current| .3mA (while off)
Standby power consumption| .A.1W
REM start input| High level (HI-/H1+), ACC optional
REM start output| 12V (0.2A)
Boot time| lOs
Use ambient temperature| -20-70°C
Storage temperature| -40-85°C
Net weight| 47 kg
Dimensions| 262.9mmx261.5mmx58mm

Input signals| 12-channel high-level, 2 channel RCA audio, HD Bluetooth, optical/coaxial, USB
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Output signals| 10-channel high level, 2-channel RCA audio
Signal gain of output channel| Range: Silent, -60dB—+6dB
Output signal equalizer| Type: Parametric equalization, Graphic equalization Frequency: 20Hz-40kHz, resolution 1Hz
Q value (slope or gradient): 0.404-28.852
Gain: -12.0dB—+12.0dB, resolution 0.1dB-0.5dB-1.0dB
Output signal frequency divider| Each output channel is equipped with multi- order high and low pass filters. Filter type: Link-Ril, Butter-W, Bessel
Crossover point 20Hz-40kHz, resolution
1Hz filter slope (slope): -6dB/Oct–48dB/Oct
Output phase| Normal phase or reverse phase (0-360°)
Output delay| 0.000-20.000ms, 0-692cm, 0-273 inch
Preset sound effects| This machine can save data from multiple sets of preset sound effects and supports online sound effects.

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